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# formula to calculate the number of beneficiaries?

This question was posted the Assessment and Surveillance forum area and has 7 replies.

### Kemal J. Tunne

Health and Nutrition Senior Officer at CRS

Normal user

17 Aug 2018, 13:46

In order to target 100,000 BEN, how can you calculate the percentage of PLWs, U5 children?
1. To calculate <5 Beneficiaries 100.000*16.43%=16430
2. To estimate PLW beneficiaries a given 100.000 population 100,000*3.47% =3470 are PLW
To plan boys and girls of under-five years of age please follow your baseline survey or any bench marks of the project would be help full.

### ALEXANDRA RUTISHAUSER

Action Against Hunger

Normal user

17 Aug 2018, 14:07

Hi, Anonymous,

There was a really good thread about it on ENN already in 2013 that you can find here !
The Global Nutrition Cluster also has a useful calculation tool.

Hope this helps,

### Mark Myatt

Frequent user

17 Aug 2018, 14:11

It may not quite as simple as that as age distributions, fertility, and prevalence changes from place to place and over time.

The CMAM forum produced two FAQs that you may find useful. You can get them
here and here.

These are from more innocent days. We imagined that "K" was fixed. later work shows it varies with time and place and is likely larger than was thought.

I hope this is of some help.

### Mark Myatt

Frequent user

17 Aug 2018, 14:17

Calculator

### Tammam Ali Mohammed Ahmed

Nutrition Specialist/ Save the Children

Normal user

19 Aug 2018, 07:01

Hi Anonymous 26359,
We need the calculations to estimate our beneficiaries and indicators in the log-frames. And some constants are fixed based on your country. For example, total CU5 may be it is 18.4% from the total population in my country and it may be less or more in your country. And same as with PLW, CU2, Households..etc. Usually we are using an excel sheet contains all the variations necessary for indicators and beneficiaries calculation. I am very happy to send you the file to your email
Best

### Micheal Abebe

Nutrition program supervisor

Normal user

29 Aug 2018, 07:14

Dear
To calculate your target group from the given population it is good to use national conversion factors which are published by the health minister of your country.
For example CF for under 5 year children in Ethiopia is 16.5%,for PLW 3% etc. It is different also in refugee setting and you can find it from UNCHR near to your refugee camp.

### Binyam Amare

SWO

Normal user

24 Oct 2018, 22:06

The Standard Varies From Country to Country. Its Important to look at the specific Country standards & Related Surveys.